Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view thereof, in which mobile terminal in broken lines is provided to illustrate an example environment.

The broken lines represent a boundary of the claim and form no part of the claimed design.

The size and the scale of the design within the environment of use in FIG. 2 form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 